Train at the best of your abilities in this top when it's cooler outside. The Asics Favorite Long-Sleeve Top features a ribbed crew neck, contrast neck tape, raglan sleeves for increased range of motion, thumbholes at cuffs, mesh inserts at underarms and center back for maximum ventilation, flat seams for comfort, 50+ UPF protection, and reflective heat transfer Asics logos at left shoulder and center back.